People swing flame torches during the “Hiondori” ritual at the former battlefield of the Battle of Nagashino on August 15, 2017 in Shinshiro, Aichi, Japan. The ritual is to commemorate souls of samurai warriors died in the Battle of Nagashino in 1575, which the force of feudal warlord Oda Nobunaga won and pushed himself forward to the ruler of Japan. (Photo by The Asahi Shimbun via Getty Images)
